"Mizan al-Amal" ("Criterion of Action" in English and "Mizan-e-Amal" in Urdu) is another great book of Imam Ghazali (1055-1111) who is one of the greatest thinkers, spiritual transformer, and reformer of human history. This is the audio book of the Urdu translation of this great book. Original book in PDF format can be found in http://www.ghazali.org/urdu in Imam Ghazali's collection of short books called "Majmu'a Rasa-il Imam Ghazali". In this book, Imam Ghazali explains the criteria for judging human actions to be right or wrong. This criterion is needed for one's spiritual journey which can only proceed with the help of striving to do the right actions while striving to avoid the wrong actions. These actions do not just include the outer actions of the limbs but also the inner actions of the heart and soul of the spiritual traveller.
NOTE: Another recording of this audio book in Urdu language can be found at below link that provides a complete 3 volumes collection of short books of Imam Ghazali called "Majmu'a Rasa-il Imam Ghazali": https://archive.org/details/MajmuaRasailOrCollectionOfShortBooksVolumes1-2-3InUrduByImamGhazali